package com.careersersystem.dao;

import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Transaction;
import org.hibernate.criterion.Example;

import com.careersersystem.entity.Jobs;

/**
 * A data access object (DAO) providing persistence and search support for Jobs
 * entities. Transaction control of the save(), update() and delete() operations
 * can directly support Spring container-managed transactions or they can be
 * augmented to handle user-managed Spring transactions. Each of these methods
 * provides additional information for how to configure it for the desired type
 * of transaction control.
 * 
 * @see com.careersersystem.entity.Jobs
 * @author MyEclipse Persistence Tools
 */

public class JobsDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(JobsDAO.class);
	// property constants
	public static final String JOBNAME = "jobname";
	public static final String JOBTYPE = "jobtype";
	public static final String COUNTRY = "country";
	public static final String TOWN = "town";
	public static final String LOCATION = "location";
	public static final String DESCRIPTION = "description";

	public void save(Jobs transientInstance) {
		log.debug("saving Jobs instance");
		try {
			Transaction tx=getSession().beginTransaction();
			getSession().save(transientInstance);
			tx.commit();
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Jobs persistentInstance) {
		log.debug("deleting Jobs instance");
		try {
			Transaction tx=getSession().beginTransaction();
			getSession().delete(persistentInstance);
			tx.commit();
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Jobs findById(java.lang.Integer id) {
		log.debug("getting Jobs instance with id: " + id);
		try {
			Jobs instance = (Jobs) getSession().get(
					"com.careersersystem.entity.Jobs", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Jobs instance) {
		log.debug("finding Jobs instance by example");
		try {
			List results = getSession().createCriteria(
					"com.careersersystem.entity.Jobs").add(
					Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Jobs instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Jobs as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByJobname(Object jobname) {
		return findByProperty(JOBNAME, jobname);
	}

	public List findByJobtype(Object jobtype) {
		return findByProperty(JOBTYPE, jobtype);
	}

	public List findByCountry(Object country) {
		return findByProperty(COUNTRY, country);
	}

	public List findByTown(Object town) {
		return findByProperty(TOWN, town);
	}

	public List findByLocation(Object location) {
		return findByProperty(LOCATION, location);
	}

	public List findByDescription(Object description) {
		return findByProperty(DESCRIPTION, description);
	}

	public List findAll() {
		log.debug("finding all Jobs instances");
		try {
			String queryString = "from Jobs";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Jobs merge(Jobs detachedInstance) {
		log.debug("merging Jobs instance");
		try {
			Jobs result = (Jobs) getSession().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Jobs instance) {
		log.debug("attaching dirty Jobs instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Jobs instance) {
		log.debug("attaching clean Jobs instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
	public List searchByCondition(String cname, String jobType, String country, String town){
		String hql = "from Jobs as j where 1=1";
		if(cname!= null){
			hql += "and j.employer like :cname";
		}
		if(town!= null){
			hql += "and j.town like :town";
		}
		if(jobType!= null){
			hql += "and j.jobtype like :jobType";
		}
		if(country!= null){
			hql += "and j.country like :country";
		}
		log.debug("search by multiplicity Conditions");
		try{
			Query query = getSession().createQuery(hql);
			if(cname!= null){
				query.setString("cname", cname);
			}
			if(town!= null){
				query.setString("town", town);
			}
			if(jobType!= null){
				query.setString("jobType", jobType);
			}
			if(country!= null){
				query.setString("country", country);
			}
			List result = query.list();
			return result;
			
		}catch(RuntimeException re){
			log.error("search by multiplicity Conditions failed");
			throw re;
		}
		
		
	}
}